Question

factorise 8x^3 - 27 y^3
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Answer 1

Step-by-step explanation:

Here,

8y³ -27y³

(2x)³ - ( 3y)³

(2x - 3y) ( 4x² + 6xy + 9y²)

Answer 2

$8x^3-27y^3 \\\\\sf </p><p>=(2x)^3- (3y)^3 \\\\\sf </p><p>= (2x+3y)(4x^2+6xy+9y^2) \\\\\sf </p><p>\because a^3+b^3=(a+b) (a^2+ab+b^2)$